Operating System Quiz

What is an Operating System?

• A program that acts as an intermediary between user and hardware

• A type of hardware

• A collection of application programs

• A programming language

Which of the following is NOT a goal of an operating system?

• Execute user programs

• Increase hardware costs

• Make the computer system convenient to use

• Use hardware efficiently

What is the primary function of the kernel in an operating system?

• To provide application software

• To execute user commands

• To control hardware and system resources

• To manage user interfaces

In the context of process management, what does a process need to accomplish its task?

• Only CPU time

• Just memory

• CPU time, memory, files, and I/O devices

• Only files

What is the purpose of semaphores in operating systems?

• To increase CPU speed

• To manage memory allocation

• To provide a mechanism for process synchronization

• To execute user commands

What is a deadlock state in a set of processes?

• Each process is executing without waiting.

• All processes are running simultaneously.

• Each process is waiting for a resource held by another process.

• All processes are terminated.

Which of the following is a necessary condition for deadlock?

• Resource Allocation

• Process Termination

• Resource Sharing

• Mutual Exclusion

What does the Banker's algorithm do?

• It detects deadlocks.

• It prevents deadlocks by ensuring safe states.

• It allocates resources randomly.

• It terminates processes to resolve deadlocks.

In a resource-allocation graph, what does a cycle indicate?

• All resources are available.

• A deadlock may exist.

• No deadlock exists.

• Processes are executing normally.

What is the purpose of a buffer in I/O operations?

• To manage memory allocation.

• To increase the speed of the CPU.

• To permanently store data.

• To store data temporarily during transfer.